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andyxning/element_not_in_an_array_test_in_awk.txt

Created August 19, 2015 12:44
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element not in an array test in awk
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element_not_in_an_array_test_in_awk.txt
# [reference 1](http://www.unix.com/302702781-post2.html)
# awesome in using Ternary Operator
awk '
BEGIN {
a["1"]="a";
a["2"]="b";
a["3"]="c";
}
{ print !( $1 in a) ? "x" : a[$1]; }
'
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